Combined letter-copying press and book



(No Model.)

O. N. MOOLINTOGK.

COMBINED LETTER COPYING PRESS AND BOOK. No. 444,204. I Patented Jan. 6, 1891.

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UNITED STATES PATENT OFFICE.

ORVILLE N. MOOLINTOOIL OF TOPEKA, KANSAS.

COMBlNED LETTER-COPYING PRESS AND BOOK.

SPECIFICATION forming part of Letters Patent No. 444,204, dated January 6, 1891.

Application filed July 31, 1888- Serial No. 281,593. (No model.)

To CLZZ whom it may concern:

Be it known that I, ORVILLE N. MCOLIN- TOOK, residing at Topeka, in the county of Shawnee and State of Kansas, have invented a new and useful Combined Letter-Copying Press and Book, (which has never been patented in any country,) of which the following is a specification.

My invention relates to improvements in copyingpresses in which a hollow metal spring-roller operates in conjunction with a flexible covered copy-book.

The object of my invention is to obtain perfect fac-simile copies of all written documents with greater facility and perfection and at much less cost than can be attained by the ordinary methods now in use. I attain these objects by the mechanism illustrated in the accompanying drawings, in which- Figure ].is a perspective View of entire ma chine. Fig. 2 is a perspective and also end view of hollow metal springroller. Fig. 3 is a detailed view of flexible-covered copy-book. Fig. 4 is a view of entire machine in operation.

Similar letters referto si in ilar parts throughout the several views.

The hollow metal spring-roller A is so constructed that its edges meet and pass each other, forming a lap 'K of from one-eighth to three-fourths of an inch, each edge pressing closely against the other, so as to hold securely the flexible covered copy-book B, the edge of which is inserted into slot K in roller A. The book 13 is further secured in slot by metal bindingstaples J J J J.

The method of preparing copy-book for receiving copies is shown in Fig.1. 0 is a sheet of rubber or water-proof cloth or paper, designed to prevent dampness from penetrating leaves of copy-book. D shows written document which it is desired to copy. E is a sheet or leaf of copy-book. F is a dampened cloth.

G is a second rubber sheet precisely similar to C. 11 shows top of book.

In operating, the loose rubber sheet 0 is placed under the page of book on which copy is to be transferred. The written document D is placed on sheet 0. A leaf of copy-book E is then placed upon face of written sheet D. Dampened cloth F is then placed on leaf E, rubber cloth G over that, and top of book H closed. Roller A is grasped firmly, and entire machine is then rolled tightly, pressure being exerted by the lingers as rolling progresses. The spring-roller A is thus contracted, and when machine is rolled up and assumes shape shown in Fig. 4 the roller expands with sufficient force to produce a strong even pressure on all part-s of the copy-book, while necessitating a comparatively slight degree of direct muscular pressure by the hands of the operator.

I am aware that a split spring metal roller has been used as a means for effecting outward pressure on the copy-book after thelatter has been rolled thereon,and do not claim such, broadly, as my invention, which differs essentially therefrom in having the edges of the roller overlapping and having the copybook held between the opposing sides of the said overlapping edges. Moreover, by reason of the overlapping edges the roller is susceptible of a greater degree of compression than if the separated edges thereof were in the same plane, as is now in vogue, and the book is at all times held positively and under a clamping pressure between the said overlapping edges.

WVhat I claim as my invention, and desire to secure by Letters Patent, is-

The hereinbefore specified letter copying press and book, composed of a hollow springmetal roller having its edges overlapping, and a book held by a lateral clamping pressure between the opposing sides of the said overlapping edges, which edges under pressure slide past each other and positively clamp the book.

ORVILLE N. MCOLINTOCK.

Witnesses:

F. L. COOPER,

R. M. CURTIS. 

